Metzeler Cruisetec 180/55 R18

Metzeler Cruisetec is a summer tyre made in total of 26 sizes, ranging from R13 to R13 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 180/55 R18 is 40mm wider than the narrowest dimension (140) and -60mm narrower than the widest one (120). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (180mm), which results in 99mm sidewall height.